The Kennedy sisters all inherited the same dark brown hair and winning smile.

Fans loved the pic and many took to the comments to point out the sibling similarities between Lucy and Anna.

One wrote: “Twins”

Another commented: “Omg, you are so alike to look at.”

A third said: “are you sure you are not twins?”

The snap was taken as the sisters were on their way to the Make A Wish Foundation Crystal Ball. The star-studded event took place at the Clayton Hotel in Dublin on Saturday night. The mum-of-three was the MC for the evening.

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